S1_Mock1_15_E

In the figure, ABCD is a rectangle. E is the mid-point of BC. F is a point lying on CD such that DF = 3CF. If the area of triangleABE is 2 cm2, then the area of triangleAEF is
A.2 cm2.
B.2.5 cm2.
C.3 cm2.
D.4.5 cm2.
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In the figure, the coordinates of A are (1, -1). L is a horizontal line passing through (0, 2). A is first translated to the left by 4 units to B, and then reflected about L to C. Find the coordinates of C.
A.(5, 1)
B.(-3, 1)
C.(-3, 5)
D.(5, 5)
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In Figure 1, the side length of the cubic tank is 15 cm. The depth of the water in the cubic tank is 5 cm. If 3 identical metal balls are put into the tank, the depth of the water in the tank will become 7 cm (see Figure 2). Find the volume of each metal ball.
A.150 cm3
B.200 cm3
C.225 cm3
D.450 cm3
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